Official Records
The records of the U.S. District Court for the District of Oregon are included among Record Group 21 at the:
National Archives at Seattle
6125 Sand Point Way NE
Seattle, Washington 98115-7999
Email: seattle.archives@nara.gov
A guide to the holdings of the regional archives is available at: https://www.archives.gov/seattle/holdings
A published description of the records is also available in the Guide to Federal Records in the National Archives of the United States, 1995 (http://www.archives.gov/research/guide-fed-records/index.html ).
Bibliography
Buan, Carolyn, ed. The First Duty: A History of the U.S. District Court for Oregon. Portland: U.S. District Court of Oregon Historical Society, 1993.